/*
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is
 *
 * java-concurrency-presentation:
 * concurrency presentation tutorial.
 *
 * The Initial Developer of the Original Code is
 * Marco Antonio Villalobos, Jr.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s): None.
 *
 * ***** END LICENSE BLOCK *****
 */

package presentation.concurrency.slides;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;


public class AttackCoordinator {

    public void attackAtSametime() {

        Thread[] troops = new Thread[1000];
        final CyclicBarrier barrier = new CyclicBarrier(troops.length);
        for (int i=0;i<troops.length;i++) {
            final int id = i;
            troops[i] = new Thread() {
                public void run() {

                    try {
                        barrier.await();    // ... finished preparing
                    } catch (InterruptedException e) { return;
                    } catch (BrokenBarrierException e) { return; }

                    // ... do something

                    try {
                        barrier.await();    // ... finished
                    } catch (InterruptedException e) { return;
                    } catch (BrokenBarrierException e) { return; }

                    System.out.println("Finished i: "+id+".");
                }
            };
            troops[i].start();
        }
    }   

    public static void main(String[] args) {
        AttackCoordinator regiment = new AttackCoordinator();
        regiment.attackAtSametime();
    }
}
